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Ultrasonic Attenuation Results of Thermoplastic Resin Composites Undergoing Thermal and Fatigue Loading

  • Eric I. Madaras

Abstract

Before airframe manufacturers introduce new materials into aeronautic structures, they require that these materials must be fully characterized for the environment they will be used in. For high speed aircraft, this would include the material’s response to thermal and fatigue loading representative of high numbers of flight cycles. At the same time that these materials are undergoing the necessary mechanical testing, it is prudent to also investigate nondestructive evaluation (NDE) methods that can be used in the field to assess the condition of these new materials simultaneously with their mechanical evaluation.

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Before airframe manufacturers introduce new materials into aeronautic structures, they require that these materials must be fully characterized for the environment they will be used in. For high…

Implementation of Evaluation Results

  • William L. Rutherford

Abstract

Evaluation is but one step in a process intended to raise an organization to a maximum level of efficient and effective performance. If evaluation is to have the greatest possible impact on the organization the findings must be fully and appropriately implemented. The purpose of this paper is to consider some of the links and problems that occur in the movement from evaluation to implementation and to offer suggestions for enhancing the probability that evaluation findings from the Accreditation Plus Model (as well as any others) will actually be used to improve programs. A set of guidelines for readers to follow in implementing evaluation results is keyed to the major headings and appears following the text.

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Evaluation is but one step in a process intended to raise an organization to a maximum level of efficient and effective performance. If evaluation is to have the greatest possible impact on the… ]]>